Mercedes W204 R172 Air Intake Duct Tube Channel M276 Petrol A2761400218

Mercedes W204 R172 Air Intake Hose M276 Gasoline is an original part from the Hoses, pipes and tubes group, designed for M276 gasoline engines. It ensures stable air flow to the intake system, promoting smooth engine operation and proper interaction with the engine electronics.

Specifications and technical data

• SKU: A2761400218
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2761400312
• Substitutable numbers: A2761400312, A 276 140 03 12
• Fuel type: Petrol
• Category: Hoses, Lines & Pipes

Purpose and Function in the Intake System

The air intake hose in the M276 engine is responsible for the controlled delivery of air to the intake manifold, which directly impacts the combustion process of the mixture in the gasoline unit. A properly selected component limits pressure drops, minimizes air stream turbulence, and supports stable operation of the mass air flow sensor and other sensors in the intake tract.

For Mercedes W204 and R172 models, using the correct intake hose is crucial for maintaining factory power and torque parameters, as well as engine running smoothness. The original geometry and internal diameter of the hose allow for proper cylinder filling values, which translates to predictable throttle response and correct control system operation.

Construction and Fit for M276 Engine

This part has been specifically designed for the architecture of the M276 gasoline engine, taking into account the placement of accessories in the engine bay. The shape of the hose allows for secure routing between body and accessory components, reducing the risk of rubbing against adjacent parts and unwanted vibrations.

Thanks to its factory design, the hose integrates with original mounting points and clamps, facilitating installation and subsequent service. Maintaining proper rigidity and flexibility in critical areas helps reduce micro-cracks and leaks, which in gasoline engines can lead to fuel trim deviations and performance loss.

Benefits of Using an Original Intake Hose

Using an air intake hose dedicated to the Mercedes W204 and R172 with the M276 engine offers a range of practical operational benefits:

• maintaining correct airflow across the entire RPM range of the gasoline unit,
• reducing the risk of leaks in the intake system,
• stable interaction with the factory engine control unit and sensors,
• preserving original operating parameters without the need for additional adaptation.

For users who value technical consistency, it's also important that this hose comes from the vehicle manufacturer's line, promoting a uniform standard of execution throughout the intake system.

Characteristics of a Used Part

The offered air intake hose is a used part, meaning it has been in service in a vehicle but is still suitable for further use. This type of part is a good solution when cost reduction is a priority while maintaining the original intake system design.

Choosing a used hose from this group allows for maintaining the factory fit for the M276 engine, without resorting to aftermarket alternatives with uncertain geometry. This is a practical solution for repairs after mechanical damage, replacement of cracked components, or for restoring the car to a near-factory condition.

Related Parts and Additional Technical Information

When working on the intake system, it's advisable to check the condition of other components in the same group, such as other hoses, pipes, or tubes that guide air in the engine bay. A consistent service approach reduces the risk of subsequent leaks and simplifies the diagnosis of potential fuel-air mixture problems.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other parts from the same group, such as additional air hoses, pipes, or tubes, check the available parts in the Mercedes Hoses, pipes and tubes category.

To deepen your knowledge about the impact of proper engine operation and its accessories on the durability of the entire system, an article describing the relationship between engine operating temperature and its lifespan may be helpful – you can find it here: Engine Cooling System – Overheating, Repair, and Used Radiators.